Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2009-2011 Buick Lucerne . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.

PART

COLOR

LOCATION

12 VOLT
CONSTANT

RED (+)

@ BATTERY or Rear Fusebox under Rear Seat

STARTER

See NOTE #4

STARTER
2

N/A

IGNITION
1

PINK (+)

@ Ignition Switch or BCM, (GREEN Plug) Pin 14, Note #1

IGNITION
2

N/A

IGNITION
3

N/A

ACCESSORY/HEATER
BLOWER 1

BROWN (+)

@ Ignition Switch or BCM, (GREEN Plug) Pin 21, Note #1

ACCESSORY/HEATER
BLOWER 2

N/A

KEYSENSE

N/A

PARKING
LIGHTS ( - )

LT. BLUE/TAN (-)

@ Headlight Switch or @ BCM, (WHITE Plug) Pin 8, Note #1

PARKING
LIGHTS ( + )

N/A

POWER LOCK

See NOTE #4

POWER UNLOCK

See NOTE #4

DOOR TRIGGER

GRAY/BLACK (Ajar) BLACK/TAN (Open) Both are (-)

@ Drivers Window Switch, (BROWN 16 Pin Plug) Pins 13 and 11

DOMELIGHT
SUPERVISION

GRAY/BLACK (+)

@ BCM, (PINK Plug) Pin 12, Note #1

TRUNK RELEASE

LT. BLUE (-)

@ Trunk Release Switch or BCM (WHITE Plug) Pin 10, Note#1

SLIDING
POWER DOOR

N/A

HORN

TAN (-)

@ Horn Switch or BCM (BROWN Plug) Pin 18, Note #1

TACH

Any wire NOT PINK/BLACK or PINK/GRAY (AC)

@ Any Fuel Injector

WAIT TO
START LIGHT

N/A

BRAKE

LT. BLUE (+) works with Ignition Switch ON Only!

in Passange Kick Panel or BCM, (BROWN Plug) Pin5 Note #1

FACTORY
ALARM DISARM

LT. GREEN (-) Double Pulse Required

@ Drivers Window Switch, (BROWN 16 Pin Plug) Pin 4

ANTI-THEFT

GM'S MULTIPLEX IGNITION/TRANSPONDER SYSTEM, See NOTE #3

EXTRA
INFORMATION

Note #1: The BCM (Body Control Module) is located under the Passange Side Dash, above the
Passange Kick Panel.
Note #2: The Rear Fusebox is located under the Left Rear Seat.
Note #3: THIS VEHICLE REQUIRES A INTERFACE BYPASS MODULE PART # XK09 AND PART
#RFLCHGM TO REMOTE START AND OPERATE DOOR LOCKS, , TO ORDER GO TO THE
INTERFACE BYPASS MODULE PAGE ON THIS WEBSITE.